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Android wifi上网跟4G上网的区别

 5 years ago
source link: https://juejin.im/post/5af42e676fb9a07aae1534c4
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手机上网可以用Wifi，也可以用4G，这两者究竟有什么区别，Wifi模块跟4G无限通信模块用的是同一种上网媒介吗，一个4G手机是否两块网卡呢？手机的MAC地址说的是谁的呢，比如，当你通过系统API获取MAC地址的时候，获取的是哪种MAC地址呢？本文由MAC地址

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